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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * ---------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * TimeSeries.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * ---------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2001-2011, by Object Refinery Limited.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   Bryan Scott;<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   Nick Guenther;<a name="line.34"></a>
<span class="sourceLineNo">035</span> *<a name="line.35"></a>
<span class="sourceLineNo">036</span> * Changes<a name="line.36"></a>
<span class="sourceLineNo">037</span> * -------<a name="line.37"></a>
<span class="sourceLineNo">038</span> * 11-Oct-2001 : Version 1 (DG);<a name="line.38"></a>
<span class="sourceLineNo">039</span> * 14-Nov-2001 : Added listener mechanism (DG);<a name="line.39"></a>
<span class="sourceLineNo">040</span> * 15-Nov-2001 : Updated argument checking and exceptions in add() method (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 29-Nov-2001 : Added properties to describe the domain and range (DG);<a name="line.41"></a>
<span class="sourceLineNo">042</span> * 07-Dec-2001 : Renamed TimeSeries --&gt; BasicTimeSeries (DG);<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 01-Mar-2002 : Updated import statements (DG);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 28-Mar-2002 : Added a method add(TimePeriod, double) (DG);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 27-Aug-2002 : Changed return type of delete method to void (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 04-Oct-2002 : Added itemCount and historyCount attributes, fixed errors<a name="line.46"></a>
<span class="sourceLineNo">047</span> *               reported by Checkstyle (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 29-Oct-2002 : Added series change notification to addOrUpdate() method (DG);<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 28-Jan-2003 : Changed name back to TimeSeries (DG);<a name="line.49"></a>
<span class="sourceLineNo">050</span> * 13-Mar-2003 : Moved to com.jrefinery.data.time package and implemented<a name="line.50"></a>
<span class="sourceLineNo">051</span> *               Serializable (DG);<a name="line.51"></a>
<span class="sourceLineNo">052</span> * 01-May-2003 : Updated equals() method (see bug report 727575) (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 14-Aug-2003 : Added ageHistoryCountItems method (copied existing code for<a name="line.53"></a>
<span class="sourceLineNo">054</span> *               contents) made a method and added to addOrUpdate.  Made a<a name="line.54"></a>
<span class="sourceLineNo">055</span> *               public method to enable ageing against a specified time<a name="line.55"></a>
<span class="sourceLineNo">056</span> *               (eg now) as opposed to lastest time in series (BS);<a name="line.56"></a>
<span class="sourceLineNo">057</span> * 15-Oct-2003 : Added fix for setItemCount method - see bug report 804425.<a name="line.57"></a>
<span class="sourceLineNo">058</span> *               Modified exception message in add() method to be more<a name="line.58"></a>
<span class="sourceLineNo">059</span> *               informative (DG);<a name="line.59"></a>
<span class="sourceLineNo">060</span> * 13-Apr-2004 : Added clear() method (DG);<a name="line.60"></a>
<span class="sourceLineNo">061</span> * 21-May-2004 : Added an extra addOrUpdate() method (DG);<a name="line.61"></a>
<span class="sourceLineNo">062</span> * 15-Jun-2004 : Fixed NullPointerException in equals() method (DG);<a name="line.62"></a>
<span class="sourceLineNo">063</span> * 29-Nov-2004 : Fixed bug 1075255 (DG);<a name="line.63"></a>
<span class="sourceLineNo">064</span> * 17-Nov-2005 : Renamed historyCount --&gt; maximumItemAge (DG);<a name="line.64"></a>
<span class="sourceLineNo">065</span> * 28-Nov-2005 : Changed maximumItemAge from int to long (DG);<a name="line.65"></a>
<span class="sourceLineNo">066</span> * 01-Dec-2005 : New add methods accept notify flag (DG);<a name="line.66"></a>
<span class="sourceLineNo">067</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.67"></a>
<span class="sourceLineNo">068</span> * 24-May-2006 : Improved error handling in createCopy() methods (DG);<a name="line.68"></a>
<span class="sourceLineNo">069</span> * 01-Sep-2006 : Fixed bugs in removeAgedItems() methods - see bug report<a name="line.69"></a>
<span class="sourceLineNo">070</span> *               1550045 (DG);<a name="line.70"></a>
<span class="sourceLineNo">071</span> * 22-Mar-2007 : Simplified getDataItem(RegularTimePeriod) - see patch 1685500<a name="line.71"></a>
<span class="sourceLineNo">072</span> *               by Nick Guenther (DG);<a name="line.72"></a>
<span class="sourceLineNo">073</span> * 31-Oct-2007 : Implemented faster hashCode() (DG);<a name="line.73"></a>
<span class="sourceLineNo">074</span> * 21-Nov-2007 : Fixed clone() method (bug 1832432) (DG);<a name="line.74"></a>
<span class="sourceLineNo">075</span> * 10-Jan-2008 : Fixed createCopy(RegularTimePeriod, RegularTimePeriod) (bug<a name="line.75"></a>
<span class="sourceLineNo">076</span> *               1864222) (DG);<a name="line.76"></a>
<span class="sourceLineNo">077</span> * 13-Jan-2009 : Fixed constructors so that timePeriodClass doesn't need to<a name="line.77"></a>
<span class="sourceLineNo">078</span> *               be specified in advance (DG);<a name="line.78"></a>
<span class="sourceLineNo">079</span> * 26-May-2009 : Added cache for minY and maxY values (DG);<a name="line.79"></a>
<span class="sourceLineNo">080</span> * 09-Jun-2009 : Ensure that TimeSeriesDataItem objects used in underlying<a name="line.80"></a>
<span class="sourceLineNo">081</span> *               storage are cloned to keep series isolated from external<a name="line.81"></a>
<span class="sourceLineNo">082</span> *               changes (DG);<a name="line.82"></a>
<span class="sourceLineNo">083</span> * 10-Jun-2009 : Added addOrUpdate(TimeSeriesDataItem) method (DG);<a name="line.83"></a>
<span class="sourceLineNo">084</span> * 31-Aug-2009 : Clear minY and maxY cache values in createCopy (DG);<a name="line.84"></a>
<span class="sourceLineNo">085</span> * <a name="line.85"></a>
<span class="sourceLineNo">086</span> */<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span>package org.jfree.data.time;<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span>import java.io.Serializable;<a name="line.90"></a>
<span class="sourceLineNo">091</span>import java.lang.reflect.InvocationTargetException;<a name="line.91"></a>
<span class="sourceLineNo">092</span>import java.lang.reflect.Method;<a name="line.92"></a>
<span class="sourceLineNo">093</span>import java.util.Collection;<a name="line.93"></a>
<span class="sourceLineNo">094</span>import java.util.Collections;<a name="line.94"></a>
<span class="sourceLineNo">095</span>import java.util.Date;<a name="line.95"></a>
<span class="sourceLineNo">096</span>import java.util.Iterator;<a name="line.96"></a>
<span class="sourceLineNo">097</span>import java.util.List;<a name="line.97"></a>
<span class="sourceLineNo">098</span>import java.util.TimeZone;<a name="line.98"></a>
<span class="sourceLineNo">099</span><a name="line.99"></a>
<span class="sourceLineNo">100</span>import org.jfree.data.general.Series;<a name="line.100"></a>
<span class="sourceLineNo">101</span>import org.jfree.data.general.SeriesChangeEvent;<a name="line.101"></a>
<span class="sourceLineNo">102</span>import org.jfree.data.general.SeriesException;<a name="line.102"></a>
<span class="sourceLineNo">103</span>import org.jfree.util.ObjectUtilities;<a name="line.103"></a>
<span class="sourceLineNo">104</span><a name="line.104"></a>
<span class="sourceLineNo">105</span>/**<a name="line.105"></a>
<span class="sourceLineNo">106</span> * Represents a sequence of zero or more data items in the form (period, value)<a name="line.106"></a>
<span class="sourceLineNo">107</span> * where 'period' is some instance of a subclass of {@link RegularTimePeriod}.<a name="line.107"></a>
<span class="sourceLineNo">108</span> * The time series will ensure that (a) all data items have the same type of<a name="line.108"></a>
<span class="sourceLineNo">109</span> * period (for example, {@link Day}) and (b) that each period appears at<a name="line.109"></a>
<span class="sourceLineNo">110</span> * most one time in the series.<a name="line.110"></a>
<span class="sourceLineNo">111</span> */<a name="line.111"></a>
<span class="sourceLineNo">112</span>public class TimeSeries extends Series implements Cloneable, Serializable {<a name="line.112"></a>
<span class="sourceLineNo">113</span><a name="line.113"></a>
<span class="sourceLineNo">114</span>    /** For serialization. */<a name="line.114"></a>
<span class="sourceLineNo">115</span>    private static final long serialVersionUID = -5032960206869675528L;<a name="line.115"></a>
<span class="sourceLineNo">116</span><a name="line.116"></a>
<span class="sourceLineNo">117</span>    /** Default value for the domain description. */<a name="line.117"></a>
<span class="sourceLineNo">118</span>    protected static final String DEFAULT_DOMAIN_DESCRIPTION = "Time";<a name="line.118"></a>
<span class="sourceLineNo">119</span><a name="line.119"></a>
<span class="sourceLineNo">120</span>    /** Default value for the range description. */<a name="line.120"></a>
<span class="sourceLineNo">121</span>    protected static final String DEFAULT_RANGE_DESCRIPTION = "Value";<a name="line.121"></a>
<span class="sourceLineNo">122</span><a name="line.122"></a>
<span class="sourceLineNo">123</span>    /** A description of the domain. */<a name="line.123"></a>
<span class="sourceLineNo">124</span>    private String domain;<a name="line.124"></a>
<span class="sourceLineNo">125</span><a name="line.125"></a>
<span class="sourceLineNo">126</span>    /** A description of the range. */<a name="line.126"></a>
<span class="sourceLineNo">127</span>    private String range;<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span>    /** The type of period for the data. */<a name="line.129"></a>
<span class="sourceLineNo">130</span>    protected Class timePeriodClass;<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span>    /** The list of data items in the series. */<a name="line.132"></a>
<span class="sourceLineNo">133</span>    protected List data;<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span>    /** The maximum number of items for the series. */<a name="line.135"></a>
<span class="sourceLineNo">136</span>    private int maximumItemCount;<a name="line.136"></a>
<span class="sourceLineNo">137</span><a name="line.137"></a>
<span class="sourceLineNo">138</span>    /**<a name="line.138"></a>
<span class="sourceLineNo">139</span>     * The maximum age of items for the series, specified as a number of<a name="line.139"></a>
<span class="sourceLineNo">140</span>     * time periods.<a name="line.140"></a>
<span class="sourceLineNo">141</span>     */<a name="line.141"></a>
<span class="sourceLineNo">142</span>    private long maximumItemAge;<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span>    /**<a name="line.144"></a>
<span class="sourceLineNo">145</span>     * The minimum y-value in the series.<a name="line.145"></a>
<span class="sourceLineNo">146</span>     * <a name="line.146"></a>
<span class="sourceLineNo">147</span>     * @since 1.0.14<a name="line.147"></a>
<span class="sourceLineNo">148</span>     */<a name="line.148"></a>
<span class="sourceLineNo">149</span>    private double minY;<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span>    /**<a name="line.151"></a>
<span class="sourceLineNo">152</span>     * The maximum y-value in the series.<a name="line.152"></a>
<span class="sourceLineNo">153</span>     *<a name="line.153"></a>
<span class="sourceLineNo">154</span>     * @since 1.0.14<a name="line.154"></a>
<span class="sourceLineNo">155</span>     */<a name="line.155"></a>
<span class="sourceLineNo">156</span>    private double maxY;<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span>    /**<a name="line.158"></a>
<span class="sourceLineNo">159</span>     * Creates a new (empty) time series.  By default, a daily time series is<a name="line.159"></a>
<span class="sourceLineNo">160</span>     * created.  Use one of the other constructors if you require a different<a name="line.160"></a>
<span class="sourceLineNo">161</span>     * time period.<a name="line.161"></a>
<span class="sourceLineNo">162</span>     *<a name="line.162"></a>
<span class="sourceLineNo">163</span>     * @param name  the series name (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.163"></a>
<span class="sourceLineNo">164</span>     */<a name="line.164"></a>
<span class="sourceLineNo">165</span>    public TimeSeries(Comparable name) {<a name="line.165"></a>
<span class="sourceLineNo">166</span>        this(name, DEFAULT_DOMAIN_DESCRIPTION, DEFAULT_RANGE_DESCRIPTION);<a name="line.166"></a>
<span class="sourceLineNo">167</span>    }<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span>    /**<a name="line.169"></a>
<span class="sourceLineNo">170</span>     * Creates a new time series that contains no data.<a name="line.170"></a>
<span class="sourceLineNo">171</span>     * &lt;P&gt;<a name="line.171"></a>
<span class="sourceLineNo">172</span>     * Descriptions can be specified for the domain and range.  One situation<a name="line.172"></a>
<span class="sourceLineNo">173</span>     * where this is helpful is when generating a chart for the time series -<a name="line.173"></a>
<span class="sourceLineNo">174</span>     * axis labels can be taken from the domain and range description.<a name="line.174"></a>
<span class="sourceLineNo">175</span>     *<a name="line.175"></a>
<span class="sourceLineNo">176</span>     * @param name  the name of the series (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.176"></a>
<span class="sourceLineNo">177</span>     * @param domain  the domain description (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.177"></a>
<span class="sourceLineNo">178</span>     * @param range  the range description (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.178"></a>
<span class="sourceLineNo">179</span>     *<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * @since 1.0.13<a name="line.180"></a>
<span class="sourceLineNo">181</span>     */<a name="line.181"></a>
<span class="sourceLineNo">182</span>    public TimeSeries(Comparable name, String domain, String range) {<a name="line.182"></a>
<span class="sourceLineNo">183</span>        super(name);<a name="line.183"></a>
<span class="sourceLineNo">184</span>        this.domain = domain;<a name="line.184"></a>
<span class="sourceLineNo">185</span>        this.range = range;<a name="line.185"></a>
<span class="sourceLineNo">186</span>        this.timePeriodClass = null;<a name="line.186"></a>
<span class="sourceLineNo">187</span>        this.data = new java.util.ArrayList();<a name="line.187"></a>
<span class="sourceLineNo">188</span>        this.maximumItemCount = Integer.MAX_VALUE;<a name="line.188"></a>
<span class="sourceLineNo">189</span>        this.maximumItemAge = Long.MAX_VALUE;<a name="line.189"></a>
<span class="sourceLineNo">190</span>        this.minY = Double.NaN;<a name="line.190"></a>
<span class="sourceLineNo">191</span>        this.maxY = Double.NaN;<a name="line.191"></a>
<span class="sourceLineNo">192</span>    }<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span>    /**<a name="line.194"></a>
<span class="sourceLineNo">195</span>     * Returns the domain description.<a name="line.195"></a>
<span class="sourceLineNo">196</span>     *<a name="line.196"></a>
<span class="sourceLineNo">197</span>     * @return The domain description (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.197"></a>
<span class="sourceLineNo">198</span>     *<a name="line.198"></a>
<span class="sourceLineNo">199</span>     * @see #setDomainDescription(String)<a name="line.199"></a>
<span class="sourceLineNo">200</span>     */<a name="line.200"></a>
<span class="sourceLineNo">201</span>    public String getDomainDescription() {<a name="line.201"></a>
<span class="sourceLineNo">202</span>        return this.domain;<a name="line.202"></a>
<span class="sourceLineNo">203</span>    }<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span>    /**<a name="line.205"></a>
<span class="sourceLineNo">206</span>     * Sets the domain description and sends a &lt;code&gt;PropertyChangeEvent&lt;/code&gt;<a name="line.206"></a>
<span class="sourceLineNo">207</span>     * (with the property name &lt;code&gt;Domain&lt;/code&gt;) to all registered<a name="line.207"></a>
<span class="sourceLineNo">208</span>     * property change listeners.<a name="line.208"></a>
<span class="sourceLineNo">209</span>     *<a name="line.209"></a>
<span class="sourceLineNo">210</span>     * @param description  the description (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.210"></a>
<span class="sourceLineNo">211</span>     *<a name="line.211"></a>
<span class="sourceLineNo">212</span>     * @see #getDomainDescription()<a name="line.212"></a>
<span class="sourceLineNo">213</span>     */<a name="line.213"></a>
<span class="sourceLineNo">214</span>    public void setDomainDescription(String description) {<a name="line.214"></a>
<span class="sourceLineNo">215</span>        String old = this.domain;<a name="line.215"></a>
<span class="sourceLineNo">216</span>        this.domain = description;<a name="line.216"></a>
<span class="sourceLineNo">217</span>        firePropertyChange("Domain", old, description);<a name="line.217"></a>
<span class="sourceLineNo">218</span>    }<a name="line.218"></a>
<span class="sourceLineNo">219</span><a name="line.219"></a>
<span class="sourceLineNo">220</span>    /**<a name="line.220"></a>
<span class="sourceLineNo">221</span>     * Returns the range description.<a name="line.221"></a>
<span class="sourceLineNo">222</span>     *<a name="line.222"></a>
<span class="sourceLineNo">223</span>     * @return The range description (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.223"></a>
<span class="sourceLineNo">224</span>     *<a name="line.224"></a>
<span class="sourceLineNo">225</span>     * @see #setRangeDescription(String)<a name="line.225"></a>
<span class="sourceLineNo">226</span>     */<a name="line.226"></a>
<span class="sourceLineNo">227</span>    public String getRangeDescription() {<a name="line.227"></a>
<span class="sourceLineNo">228</span>        return this.range;<a name="line.228"></a>
<span class="sourceLineNo">229</span>    }<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span>    /**<a name="line.231"></a>
<span class="sourceLineNo">232</span>     * Sets the range description and sends a &lt;code&gt;PropertyChangeEvent&lt;/code&gt;<a name="line.232"></a>
<span class="sourceLineNo">233</span>     * (with the property name &lt;code&gt;Range&lt;/code&gt;) to all registered listeners.<a name="line.233"></a>
<span class="sourceLineNo">234</span>     *<a name="line.234"></a>
<span class="sourceLineNo">235</span>     * @param description  the description (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.235"></a>
<span class="sourceLineNo">236</span>     *<a name="line.236"></a>
<span class="sourceLineNo">237</span>     * @see #getRangeDescription()<a name="line.237"></a>
<span class="sourceLineNo">238</span>     */<a name="line.238"></a>
<span class="sourceLineNo">239</span>    public void setRangeDescription(String description) {<a name="line.239"></a>
<span class="sourceLineNo">240</span>        String old = this.range;<a name="line.240"></a>
<span class="sourceLineNo">241</span>        this.range = description;<a name="line.241"></a>
<span class="sourceLineNo">242</span>        firePropertyChange("Range", old, description);<a name="line.242"></a>
<span class="sourceLineNo">243</span>    }<a name="line.243"></a>
<span class="sourceLineNo">244</span><a name="line.244"></a>
<span class="sourceLineNo">245</span>    /**<a name="line.245"></a>
<span class="sourceLineNo">246</span>     * Returns the number of items in the series.<a name="line.246"></a>
<span class="sourceLineNo">247</span>     *<a name="line.247"></a>
<span class="sourceLineNo">248</span>     * @return The item count.<a name="line.248"></a>
<span class="sourceLineNo">249</span>     */<a name="line.249"></a>
<span class="sourceLineNo">250</span>    public int getItemCount() {<a name="line.250"></a>
<span class="sourceLineNo">251</span>        return this.data.size();<a name="line.251"></a>
<span class="sourceLineNo">252</span>    }<a name="line.252"></a>
<span class="sourceLineNo">253</span><a name="line.253"></a>
<span class="sourceLineNo">254</span>    /**<a name="line.254"></a>
<span class="sourceLineNo">255</span>     * Returns the list of data items for the series (the list contains<a name="line.255"></a>
<span class="sourceLineNo">256</span>     * {@link TimeSeriesDataItem} objects and is unmodifiable).<a name="line.256"></a>
<span class="sourceLineNo">257</span>     *<a name="line.257"></a>
<span class="sourceLineNo">258</span>     * @return The list of data items.<a name="line.258"></a>
<span class="sourceLineNo">259</span>     */<a name="line.259"></a>
<span class="sourceLineNo">260</span>    public List getItems() {<a name="line.260"></a>
<span class="sourceLineNo">261</span>        // FIXME: perhaps we should clone the data list<a name="line.261"></a>
<span class="sourceLineNo">262</span>        return Collections.unmodifiableList(this.data);<a name="line.262"></a>
<span class="sourceLineNo">263</span>    }<a name="line.263"></a>
<span class="sourceLineNo">264</span><a name="line.264"></a>
<span class="sourceLineNo">265</span>    /**<a name="line.265"></a>
<span class="sourceLineNo">266</span>     * Returns the maximum number of items that will be retained in the series.<a name="line.266"></a>
<span class="sourceLineNo">267</span>     * The default value is &lt;code&gt;Integer.MAX_VALUE&lt;/code&gt;.<a name="line.267"></a>
<span class="sourceLineNo">268</span>     *<a name="line.268"></a>
<span class="sourceLineNo">269</span>     * @return The maximum item count.<a name="line.269"></a>
<span class="sourceLineNo">270</span>     *<a name="line.270"></a>
<span class="sourceLineNo">271</span>     * @see #setMaximumItemCount(int)<a name="line.271"></a>
<span class="sourceLineNo">272</span>     */<a name="line.272"></a>
<span class="sourceLineNo">273</span>    public int getMaximumItemCount() {<a name="line.273"></a>
<span class="sourceLineNo">274</span>        return this.maximumItemCount;<a name="line.274"></a>
<span class="sourceLineNo">275</span>    }<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
<span class="sourceLineNo">277</span>    /**<a name="line.277"></a>
<span class="sourceLineNo">278</span>     * Sets the maximum number of items that will be retained in the series.<a name="line.278"></a>
<span class="sourceLineNo">279</span>     * If you add a new item to the series such that the number of items will<a name="line.279"></a>
<span class="sourceLineNo">280</span>     * exceed the maximum item count, then the FIRST element in the series is<a name="line.280"></a>
<span class="sourceLineNo">281</span>     * automatically removed, ensuring that the maximum item count is not<a name="line.281"></a>
<span class="sourceLineNo">282</span>     * exceeded.<a name="line.282"></a>
<span class="sourceLineNo">283</span>     *<a name="line.283"></a>
<span class="sourceLineNo">284</span>     * @param maximum  the maximum (requires &gt;= 0).<a name="line.284"></a>
<span class="sourceLineNo">285</span>     *<a name="line.285"></a>
<span class="sourceLineNo">286</span>     * @see #getMaximumItemCount()<a name="line.286"></a>
<span class="sourceLineNo">287</span>     */<a name="line.287"></a>
<span class="sourceLineNo">288</span>    public void setMaximumItemCount(int maximum) {<a name="line.288"></a>
<span class="sourceLineNo">289</span>        if (maximum &lt; 0) {<a name="line.289"></a>
<span class="sourceLineNo">290</span>            throw new IllegalArgumentException("Negative 'maximum' argument.");<a name="line.290"></a>
<span class="sourceLineNo">291</span>        }<a name="line.291"></a>
<span class="sourceLineNo">292</span>        this.maximumItemCount = maximum;<a name="line.292"></a>
<span class="sourceLineNo">293</span>        int count = this.data.size();<a name="line.293"></a>
<span class="sourceLineNo">294</span>        if (count &gt; maximum) {<a name="line.294"></a>
<span class="sourceLineNo">295</span>            delete(0, count - maximum - 1);<a name="line.295"></a>
<span class="sourceLineNo">296</span>        }<a name="line.296"></a>
<span class="sourceLineNo">297</span>    }<a name="line.297"></a>
<span class="sourceLineNo">298</span><a name="line.298"></a>
<span class="sourceLineNo">299</span>    /**<a name="line.299"></a>
<span class="sourceLineNo">300</span>     * Returns the maximum item age (in time periods) for the series.<a name="line.300"></a>
<span class="sourceLineNo">301</span>     *<a name="line.301"></a>
<span class="sourceLineNo">302</span>     * @return The maximum item age.<a name="line.302"></a>
<span class="sourceLineNo">303</span>     *<a name="line.303"></a>
<span class="sourceLineNo">304</span>     * @see #setMaximumItemAge(long)<a name="line.304"></a>
<span class="sourceLineNo">305</span>     */<a name="line.305"></a>
<span class="sourceLineNo">306</span>    public long getMaximumItemAge() {<a name="line.306"></a>
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<span class="sourceLineNo">309</span><a name="line.309"></a>
<span class="sourceLineNo">310</span>    /**<a name="line.310"></a>
<span class="sourceLineNo">311</span>     * Sets the number of time units in the 'history' for the series.  This<a name="line.311"></a>
<span class="sourceLineNo">312</span>     * provides one mechanism for automatically dropping old data from the<a name="line.312"></a>
<span class="sourceLineNo">313</span>     * time series. For example, if a series contains daily data, you might set<a name="line.313"></a>
<span class="sourceLineNo">314</span>     * the history count to 30.  Then, when you add a new data item, all data<a name="line.314"></a>
<span class="sourceLineNo">315</span>     * items more than 30 days older than the latest value are automatically<a name="line.315"></a>
<span class="sourceLineNo">316</span>     * dropped from the series.<a name="line.316"></a>
<span class="sourceLineNo">317</span>     *<a name="line.317"></a>
<span class="sourceLineNo">318</span>     * @param periods  the number of time periods.<a name="line.318"></a>
<span class="sourceLineNo">319</span>     *<a name="line.319"></a>
<span class="sourceLineNo">320</span>     * @see #getMaximumItemAge()<a name="line.320"></a>
<span class="sourceLineNo">321</span>     */<a name="line.321"></a>
<span class="sourceLineNo">322</span>    public void setMaximumItemAge(long periods) {<a name="line.322"></a>
<span class="sourceLineNo">323</span>        if (periods &lt; 0) {<a name="line.323"></a>
<span class="sourceLineNo">324</span>            throw new IllegalArgumentException("Negative 'periods' argument.");<a name="line.324"></a>
<span class="sourceLineNo">325</span>        }<a name="line.325"></a>
<span class="sourceLineNo">326</span>        this.maximumItemAge = periods;<a name="line.326"></a>
<span class="sourceLineNo">327</span>        removeAgedItems(true);  // remove old items and notify if necessary<a name="line.327"></a>
<span class="sourceLineNo">328</span>    }<a name="line.328"></a>
<span class="sourceLineNo">329</span><a name="line.329"></a>
<span class="sourceLineNo">330</span>    /**<a name="line.330"></a>
<span class="sourceLineNo">331</span>     * Returns the smallest y-value in the series, ignoring any null and<a name="line.331"></a>
<span class="sourceLineNo">332</span>     * Double.NaN values.  This method returns Double.NaN if there is no<a name="line.332"></a>
<span class="sourceLineNo">333</span>     * smallest y-value (for example, when the series is empty).<a name="line.333"></a>
<span class="sourceLineNo">334</span>     *<a name="line.334"></a>
<span class="sourceLineNo">335</span>     * @return The smallest y-value.<a name="line.335"></a>
<span class="sourceLineNo">336</span>     *<a name="line.336"></a>
<span class="sourceLineNo">337</span>     * @see #getMaxY()<a name="line.337"></a>
<span class="sourceLineNo">338</span>     *<a name="line.338"></a>
<span class="sourceLineNo">339</span>     * @since 1.0.14<a name="line.339"></a>
<span class="sourceLineNo">340</span>     */<a name="line.340"></a>
<span class="sourceLineNo">341</span>    public double getMinY() {<a name="line.341"></a>
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<span class="sourceLineNo">344</span><a name="line.344"></a>
<span class="sourceLineNo">345</span>    /**<a name="line.345"></a>
<span class="sourceLineNo">346</span>     * Returns the largest y-value in the series, ignoring any Double.NaN<a name="line.346"></a>
<span class="sourceLineNo">347</span>     * values.  This method returns Double.NaN if there is no largest y-value<a name="line.347"></a>
<span class="sourceLineNo">348</span>     * (for example, when the series is empty).<a name="line.348"></a>
<span class="sourceLineNo">349</span>     *<a name="line.349"></a>
<span class="sourceLineNo">350</span>     * @return The largest y-value.<a name="line.350"></a>
<span class="sourceLineNo">351</span>     *<a name="line.351"></a>
<span class="sourceLineNo">352</span>     * @see #getMinY()<a name="line.352"></a>
<span class="sourceLineNo">353</span>     *<a name="line.353"></a>
<span class="sourceLineNo">354</span>     * @since 1.0.14<a name="line.354"></a>
<span class="sourceLineNo">355</span>     */<a name="line.355"></a>
<span class="sourceLineNo">356</span>    public double getMaxY() {<a name="line.356"></a>
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<span class="sourceLineNo">358</span>    }<a name="line.358"></a>
<span class="sourceLineNo">359</span><a name="line.359"></a>
<span class="sourceLineNo">360</span>    /**<a name="line.360"></a>
<span class="sourceLineNo">361</span>     * Returns the time period class for this series.<a name="line.361"></a>
<span class="sourceLineNo">362</span>     * &lt;p&gt;<a name="line.362"></a>
<span class="sourceLineNo">363</span>     * Only one time period class can be used within a single series (enforced).<a name="line.363"></a>
<span class="sourceLineNo">364</span>     * If you add a data item with a {@link Year} for the time period, then all<a name="line.364"></a>
<span class="sourceLineNo">365</span>     * subsequent data items must also have a {@link Year} for the time period.<a name="line.365"></a>
<span class="sourceLineNo">366</span>     *<a name="line.366"></a>
<span class="sourceLineNo">367</span>     * @return The time period class (may be &lt;code&gt;null&lt;/code&gt; but only for<a name="line.367"></a>
<span class="sourceLineNo">368</span>     *     an empty series).<a name="line.368"></a>
<span class="sourceLineNo">369</span>     */<a name="line.369"></a>
<span class="sourceLineNo">370</span>    public Class getTimePeriodClass() {<a name="line.370"></a>
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<span class="sourceLineNo">373</span><a name="line.373"></a>
<span class="sourceLineNo">374</span>    /**<a name="line.374"></a>
<span class="sourceLineNo">375</span>     * Returns a data item from the dataset.  Note that the returned object<a name="line.375"></a>
<span class="sourceLineNo">376</span>     * is a clone of the item in the series, so modifying it will have no <a name="line.376"></a>
<span class="sourceLineNo">377</span>     * effect on the data series.<a name="line.377"></a>
<span class="sourceLineNo">378</span>     * <a name="line.378"></a>
<span class="sourceLineNo">379</span>     * @param index  the item index.<a name="line.379"></a>
<span class="sourceLineNo">380</span>     * <a name="line.380"></a>
<span class="sourceLineNo">381</span>     * @return The data item.<a name="line.381"></a>
<span class="sourceLineNo">382</span>     */<a name="line.382"></a>
<span class="sourceLineNo">383</span>    public TimeSeriesDataItem getDataItem(int index) {<a name="line.383"></a>
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<span class="sourceLineNo">387</span><a name="line.387"></a>
<span class="sourceLineNo">388</span>    /**<a name="line.388"></a>
<span class="sourceLineNo">389</span>     * Returns the data item for a specific period.  Note that the returned<a name="line.389"></a>
<span class="sourceLineNo">390</span>     * object is a clone of the item in the series, so modifying it will have<a name="line.390"></a>
<span class="sourceLineNo">391</span>     * no effect on the data series.<a name="line.391"></a>
<span class="sourceLineNo">392</span>     *<a name="line.392"></a>
<span class="sourceLineNo">393</span>     * @param period  the period of interest (&lt;code&gt;null&lt;/code&gt; not allowed).<a name="line.393"></a>
<span class="sourceLineNo">394</span>     *<a name="line.394"></a>
<span class="sourceLineNo">395</span>     * @return The data item matching the specified period (or<a name="line.395"></a>
<span class="sourceLineNo">396</span>     *         &lt;code&gt;null&lt;/code&gt; if there is no match).<a name="line.396"></a>
<span class="sourceLineNo">397</span>     *<a name="line.397"></a>
<span class="sourceLineNo">398</span>     * @see #getDataItem(int)<a name="line.398"></a>
<span class="sourceLineNo">399</span>     */<a name="line.399"></a>
<span class="sourceLineNo">400</span>    public TimeSeriesDataItem getDataItem(RegularTimePeriod period) {<a name="line.400"></a>
<span class="sourceLineNo">401</span>        int index = getIndex(period);<a name="line.401"></a>
<span class="sourceLineNo">402</span>        if (index &gt;= 0) {<a name="line.402"></a>
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<span class="sourceLineNo">405</span>        return null;<a name="line.405"></a>
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<span class="sourceLineNo">407</span><a name="line.407"></a>
<span class="sourceLineNo">408</span>    /**<a name="line.408"></a>
<span class="sourceLineNo">409</span>     * Returns a data item for the series.  This method returns the object<a name="line.409"></a>
<span class="sourceLineNo">410</span>     * that is used for the underlying storage - you should not modify the<a name="line.410"></a>
<span class="sourceLineNo">411</span>     * contents of the returned value unless you know what you are doing.<a name="line.411"></a>
<span class="sourceLineNo">412</span>     *<a name="line.412"></a>
<span class="sourceLineNo">413</span>     * @param index  the item index (zero-based).<a name="line.413"></a>
<span class="sourceLineNo">414</span>     *<a name="line.414"></a>
<span class="sourceLineNo">415</span>     * @return The data item.<a name="line.415"></a>
<span class="sourceLineNo">416</span>     *<a name="line.416"></a>
<span class="sourceLineNo">417</span>     * @see #getDataItem(int)<a name="line.417"></a>
<span class="sourceLineNo">418</span>     *<a name="line.418"></a>
<span class="sourceLineNo">419</span>     * @since 1.0.14<a name="line.419"></a>
<span class="sourceLineNo">420</span>     */<a name="line.420"></a>
<span class="sourceLineNo">421</span>    TimeSeriesDataItem getRawDataItem(int index) {<a name="line.421"></a>
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<span class="sourceLineNo">424</span><a name="line.424"></a>
<span class="sourceLineNo">425</span>    /**<a name="line.425"></a>
<span class="sourceLineNo">426</span>     * Returns a data item for the series.  This method returns the object<a name="line.426"></a>
<span class="sourceLineNo">427</span>     * that is used for the underlying storage - you should not modify the<a name="line.427"></a>
<span class="sourceLineNo">428</span>     * contents of the returned value unless you know what you are doing.<a name="line.428"></a>
<span class="sourceLineNo">429</span>     *<a name="line.429"></a>
<span class="sourceLineNo">430</span>     * @param period  the item index (zero-based).<a name="line.430"></a>
<span class="sourceLineNo">431</span>     *<a name="line.431"></a>
<span class="sourceLineNo">432</span>     * @return The data item.<a name="line.432"></a>
<span class="sourceLineNo">433</span>     *<a name="line.433"></a>
<span class="sourceLineNo">434</span>     * @see #getDataItem(RegularTimePeriod)<a name="line.434"></a>
<span class="sourceLineNo">435</span>     *<a name="line.435"></a>
<span class="sourceLineNo">436</span>     * @since 1.0.14<a name="line.436"></a>
<span class="sourceLineNo">437</span>     */<a name="line.437"></a>
<span class="sourceLineNo">438</span>    TimeSeriesDataItem getRawDataItem(RegularTimePeriod period) {<a name="line.438"></a>
<span class="sourceLineNo">439</span>        int index = getIndex(period);<a name="line.439"></a>
<span class="sourceLineNo">440</span>        if (index &gt;= 0) {<a name="line.440"></a>
<span class="sourceLineNo">441</span>            return (TimeSeriesDataItem) this.data.get(index);<a name="line.441"></a>
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<span class="sourceLineNo">445</span><a name="line.445"></a>
<span class="sourceLineNo">446</span>    /**<a name="line.446"></a>
<span class="sourceLineNo">447</span>     * Returns the time period at the specified index.<a name="line.447"></a>
<span class="sourceLineNo">448</span>     *<a name="line.448"></a>
<span class="sourceLineNo">449</span>     * @param index  the index of the data item.<a name="line.449"></a>
<span class="sourceLineNo">450</span>     *<a name="line.450"></a>
<span class="sourceLineNo">451</span>     * @return The time period.<a name="line.451"></a>
<span class="sourceLineNo">452</span>     */<a name="line.452"></a>
<span class="sourceLineNo">453</span>    public RegularTimePeriod getTimePeriod(int index) {<a name="line.453"></a>
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<span class="sourceLineNo">456</span><a name="line.456"></a>
<span class="sourceLineNo">457</span>    /**<a name="line.457"></a>
<span class="sourceLineNo">458</span>     * Returns a time period that would be the next in sequence on the end of<a name="line.458"></a>
<span class="sourceLineNo">459</span>     * the time series.<a name="line.459"></a>
<span class="sourceLineNo">460</span>     *<a name="line.460"></a>
<span class="sourceLineNo">461</span>     * @return The next time period.<a name="line.461"></a>
<span class="sourceLineNo">462</span>     */<a name="line.462"></a>
<span class="sourceLineNo">463</span>    public RegularTimePeriod getNextTimePeriod() {<a name="line.463"></a>
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<span class="sourceLineNo">465</span>        return last.next();<a name="line.465"></a>
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<span class="sourceLineNo">467</span><a name="line.467"></a>
<span class="sourceLineNo">468</span>    /**<a name="line.468"></a>
<span class="sourceLineNo">469</span>     * Returns a collection of all the time periods in the time series.<a name="line.469"></a>
<span class="sourceLineNo">470</span>     *<a name="line.470"></a>
<span class="sourceLineNo">471</span>     * @return A collection of all the time periods.<a name="line.471"></a>
<span class="sourceLineNo">472</span>     */<a name="line.472"></a>
<span class="sourceLineNo">473</span>    public Collection getTimePeriods() {<a name="line.473"></a>
<span class="sourceLineNo">474</span>        Collection result = new java.util.ArrayList();<a name="line.474"></a>
<span class="sourceLineNo">475</span>        for (int i = 0; i &lt; getItemCount(); i++) {<a name="line.475"></a>
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<span class="sourceLineNo">480</span><a name="line.480"></a>
<span class="sourceLineNo">481</span>    /**<a name="line.481"></a>
<span class="sourceLineNo">482</span>     * Returns a collection of time periods in the specified series, but not in<a name="line.482"></a>
<span class="sourceLineNo">483</span>     * this series, and therefore unique to the specified series.<a name="line.483"></a>
<span class="sourceLineNo">484</span>     *<a name="line.484"></a>
<span class="sourceLineNo">485</span>     * @param series  the series to check against this one.<a name="line.485"></a>
<span class="sourceLineNo">486</span>     *<a name="line.486"></a>
<span class="sourceLineNo">487</span>     * @return The unique time periods.<a name="line.487"></a>
<span class="sourceLineNo">488</span>     */<a name="line.488"></a>
<span class="sourceLineNo">489</span>    public Collection getTimePeriodsUniqueToOtherSeries(TimeSeries series) {<a name="line.489"></a>
<span class="sourceLineNo">490</span>        Collection result = new java.util.ArrayList();<a name="line.490"></a>
<span class="sourceLineNo">491</span>        for (int i = 0; i &lt; series.getItemCount(); i++) {<a name="line.491"></a>
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<span class="sourceLineNo">493</span>            int index = getIndex(period);<a name="line.493"></a>
<span class="sourceLineNo">494</span>            if (index &lt; 0) {<a name="line.494"></a>
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<span class="sourceLineNo">821</span>                    + ", but the TimeSeries is expecting an instance of "<a name="line.821"></a>
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<span class="sourceLineNo">963</span>     * {@link SeriesChangeEvent} to all registered listeners.  If there is no<a name="line.963"></a>
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<span class="sourceLineNo">1243</span>     *<a name="line.1243"></a>
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<span class="sourceLineNo">1258</span>     * Double.NaN values.<a name="line.1258"></a>
<span class="sourceLineNo">1259</span>     *<a name="line.1259"></a>
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<span class="sourceLineNo">1261</span>     * @param b  the second value.<a name="line.1261"></a>
<span class="sourceLineNo">1262</span>     *<a name="line.1262"></a>
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<span class="sourceLineNo">1276</span>     * A function to find the maximum of two values, but ignoring any<a name="line.1276"></a>
<span class="sourceLineNo">1277</span>     * Double.NaN values.<a name="line.1277"></a>
<span class="sourceLineNo">1278</span>     *<a name="line.1278"></a>
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<span class="sourceLineNo">1300</span>     *<a name="line.1300"></a>
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<span class="sourceLineNo">1302</span>     * @param timePeriodClass  the type of time period (&lt;code&gt;null&lt;/code&gt; not<a name="line.1302"></a>
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<span class="sourceLineNo">1304</span>     *<a name="line.1304"></a>
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<span class="sourceLineNo">1306</span>     *     &lt;code&gt;timePeriodClass&lt;/code&gt; as this will be inferred when the<a name="line.1306"></a>
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<span class="sourceLineNo">1314</span>    /**<a name="line.1314"></a>
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<span class="sourceLineNo">1316</span>     * &lt;P&gt;<a name="line.1316"></a>
<span class="sourceLineNo">1317</span>     * Descriptions can be specified for the domain and range.  One situation<a name="line.1317"></a>
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<span class="sourceLineNo">1319</span>     * axis labels can be taken from the domain and range description.<a name="line.1319"></a>
<span class="sourceLineNo">1320</span>     *<a name="line.1320"></a>
<span class="sourceLineNo">1321</span>     * @param name  the name of the series (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.1321"></a>
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<span class="sourceLineNo">1326</span>     *<a name="line.1326"></a>
<span class="sourceLineNo">1327</span>     * @deprecated As of 1.0.13, it is not necessary to specify the<a name="line.1327"></a>
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<span class="sourceLineNo">1329</span>     *     first data item is added to the dataset.<a name="line.1329"></a>
<span class="sourceLineNo">1330</span>     */<a name="line.1330"></a>
<span class="sourceLineNo">1331</span>    public TimeSeries(Comparable name, String domain, String range,<a name="line.1331"></a>
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<span class="sourceLineNo">1333</span>        super(name);<a name="line.1333"></a>
<span class="sourceLineNo">1334</span>        this.domain = domain;<a name="line.1334"></a>
<span class="sourceLineNo">1335</span>        this.range = range;<a name="line.1335"></a>
<span class="sourceLineNo">1336</span>        this.timePeriodClass = timePeriodClass;<a name="line.1336"></a>
<span class="sourceLineNo">1337</span>        this.data = new java.util.ArrayList();<a name="line.1337"></a>
<span class="sourceLineNo">1338</span>        this.maximumItemCount = Integer.MAX_VALUE;<a name="line.1338"></a>
<span class="sourceLineNo">1339</span>        this.maximumItemAge = Long.MAX_VALUE;<a name="line.1339"></a>
<span class="sourceLineNo">1340</span>        this.minY = Double.NaN;<a name="line.1340"></a>
<span class="sourceLineNo">1341</span>        this.maxY = Double.NaN;<a name="line.1341"></a>
<span class="sourceLineNo">1342</span>    }<a name="line.1342"></a>
<span class="sourceLineNo">1343</span><a name="line.1343"></a>
<span class="sourceLineNo">1344</span>}<a name="line.1344"></a>




























































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